Remove Run API endpoints that create or modify a job run

[wslulciuc]

Problem

// TODO

Closes: https://github.com/MarquezProject/marquez/issues/1725

Solution

// TODO

Checklist

• [x] You've signed-off your work
• [ ] Your changes are accompanied by tests (if relevant)
• [ ] Your change contains a small diff and is self-contained
• [ ] You've updated any relevant documentation (if relevant)
• [ ] You've updated the CHANGELOG.md with details about your change under the "Unreleased" section (if relevant, depending on the change, this may not be necessary)
• [ ] You've versioned your .sql database schema migration according to Flyway's naming convention (if relevant)